Gripmax Pro Winter 285/40 R23

Gripmax Pro Winter is a tyre made in total of 131 sizes, ranging from R16 to R16 - this particular dimension is R23, which means it fits to a 23 inch/584.2mm diameter wheel. 285/40 R23 is 110mm wider than the narrowest dimension (175) and 40mm narrower than the widest one (325). This tyre profile of 40 means the sidewall height of the tyre is 40% of the tyre width (285mm), which results in 114mm sidewall height.